How is the direction of one place from another is detemined ?

Question

How is the direction of one place from another is detemined ?

Answer 1

With a compass.

Answer 2

"Most modern navigation relies primarily on positions determined electronically by receivers collecting information from satellites. Most other modern techniques rely on crossing lines of position or LOP. A line of position can refer to two different things: a line on a chart and a line between the observer and an object in real life. A bearing is a measure of the direction to an object. If the navigator measures the direction in real life, the angle can then be drawn on a nautical chart and the navigator will be on that line on the chart. ..."

http://en.wikipedia.org/wiki/Navigation#...